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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
607ca46e DH |
2 | /* |
3 | * INET An implementation of the TCP/IP protocol suite for the LINUX | |
4 | * operating system. INET is implemented using the BSD Socket | |
5 | * interface as the means of communication with the user level. | |
6 | * | |
7 | * Global definitions for the ARP (RFC 826) protocol. | |
8 | * | |
9 | * Version: @(#)if_arp.h 1.0.1 04/16/93 | |
10 | * | |
11 | * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988 | |
12 | * Portions taken from the KA9Q/NOS (v2.00m PA0GRI) source. | |
13 | * Ross Biro | |
14 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> | |
15 | * Florian La Roche, | |
16 | * Jonathan Layes <layes@loran.com> | |
17 | * Arnaldo Carvalho de Melo <acme@conectiva.com.br> ARPHRD_HWX25 | |
18 | * | |
19 | * This program is free software; you can redistribute it and/or | |
20 | * modify it under the terms of the GNU General Public License | |
21 | * as published by the Free Software Foundation; either version | |
22 | * 2 of the License, or (at your option) any later version. | |
23 | */ | |
24 | #ifndef _UAPI_LINUX_IF_ARP_H | |
25 | #define _UAPI_LINUX_IF_ARP_H | |
26 | ||
27 | #include <linux/netdevice.h> | |
28 | ||
29 | /* ARP protocol HARDWARE identifiers. */ | |
30 | #define ARPHRD_NETROM 0 /* from KA9Q: NET/ROM pseudo */ | |
31 | #define ARPHRD_ETHER 1 /* Ethernet 10Mbps */ | |
32 | #define ARPHRD_EETHER 2 /* Experimental Ethernet */ | |
33 | #define ARPHRD_AX25 3 /* AX.25 Level 2 */ | |
34 | #define ARPHRD_PRONET 4 /* PROnet token ring */ | |
35 | #define ARPHRD_CHAOS 5 /* Chaosnet */ | |
36 | #define ARPHRD_IEEE802 6 /* IEEE 802.2 Ethernet/TR/TB */ | |
37 | #define ARPHRD_ARCNET 7 /* ARCnet */ | |
38 | #define ARPHRD_APPLETLK 8 /* APPLEtalk */ | |
39 | #define ARPHRD_DLCI 15 /* Frame Relay DLCI */ | |
40 | #define ARPHRD_ATM 19 /* ATM */ | |
41 | #define ARPHRD_METRICOM 23 /* Metricom STRIP (new IANA id) */ | |
42 | #define ARPHRD_IEEE1394 24 /* IEEE 1394 IPv4 - RFC 2734 */ | |
43 | #define ARPHRD_EUI64 27 /* EUI-64 */ | |
44 | #define ARPHRD_INFINIBAND 32 /* InfiniBand */ | |
45 | ||
46 | /* Dummy types for non ARP hardware */ | |
47 | #define ARPHRD_SLIP 256 | |
48 | #define ARPHRD_CSLIP 257 | |
49 | #define ARPHRD_SLIP6 258 | |
50 | #define ARPHRD_CSLIP6 259 | |
51 | #define ARPHRD_RSRVD 260 /* Notional KISS type */ | |
52 | #define ARPHRD_ADAPT 264 | |
53 | #define ARPHRD_ROSE 270 | |
54 | #define ARPHRD_X25 271 /* CCITT X.25 */ | |
55 | #define ARPHRD_HWX25 272 /* Boards with X.25 in firmware */ | |
56 | #define ARPHRD_CAN 280 /* Controller Area Network */ | |
57 | #define ARPHRD_PPP 512 | |
58 | #define ARPHRD_CISCO 513 /* Cisco HDLC */ | |
59 | #define ARPHRD_HDLC ARPHRD_CISCO | |
60 | #define ARPHRD_LAPB 516 /* LAPB */ | |
61 | #define ARPHRD_DDCMP 517 /* Digital's DDCMP protocol */ | |
62 | #define ARPHRD_RAWHDLC 518 /* Raw HDLC */ | |
cdf4969c | 63 | #define ARPHRD_RAWIP 519 /* Raw IP */ |
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64 | |
65 | #define ARPHRD_TUNNEL 768 /* IPIP tunnel */ | |
66 | #define ARPHRD_TUNNEL6 769 /* IP6IP6 tunnel */ | |
67 | #define ARPHRD_FRAD 770 /* Frame Relay Access Device */ | |
68 | #define ARPHRD_SKIP 771 /* SKIP vif */ | |
69 | #define ARPHRD_LOOPBACK 772 /* Loopback device */ | |
70 | #define ARPHRD_LOCALTLK 773 /* Localtalk device */ | |
71 | #define ARPHRD_FDDI 774 /* Fiber Distributed Data Interface */ | |
72 | #define ARPHRD_BIF 775 /* AP1000 BIF */ | |
73 | #define ARPHRD_SIT 776 /* sit0 device - IPv6-in-IPv4 */ | |
74 | #define ARPHRD_IPDDP 777 /* IP over DDP tunneller */ | |
75 | #define ARPHRD_IPGRE 778 /* GRE over IP */ | |
76 | #define ARPHRD_PIMREG 779 /* PIMSM register interface */ | |
77 | #define ARPHRD_HIPPI 780 /* High Performance Parallel Interface */ | |
78 | #define ARPHRD_ASH 781 /* Nexus 64Mbps Ash */ | |
79 | #define ARPHRD_ECONET 782 /* Acorn Econet */ | |
80 | #define ARPHRD_IRDA 783 /* Linux-IrDA */ | |
81 | /* ARP works differently on different FC media .. so */ | |
82 | #define ARPHRD_FCPP 784 /* Point to point fibrechannel */ | |
83 | #define ARPHRD_FCAL 785 /* Fibrechannel arbitrated loop */ | |
84 | #define ARPHRD_FCPL 786 /* Fibrechannel public loop */ | |
85 | #define ARPHRD_FCFABRIC 787 /* Fibrechannel fabric */ | |
86 | /* 787->799 reserved for fibrechannel media types */ | |
87 | #define ARPHRD_IEEE802_TR 800 /* Magic type ident for TR */ | |
88 | #define ARPHRD_IEEE80211 801 /* IEEE 802.11 */ | |
89 | #define ARPHRD_IEEE80211_PRISM 802 /* IEEE 802.11 + Prism2 header */ | |
90 | #define ARPHRD_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap header */ | |
91 | #define ARPHRD_IEEE802154 804 | |
92 | #define ARPHRD_IEEE802154_MONITOR 805 /* IEEE 802.15.4 network monitor */ | |
93 | ||
94 | #define ARPHRD_PHONET 820 /* PhoNet media type */ | |
95 | #define ARPHRD_PHONET_PIPE 821 /* PhoNet pipe header */ | |
96 | #define ARPHRD_CAIF 822 /* CAIF media type */ | |
97 | #define ARPHRD_IP6GRE 823 /* GRE over IPv6 */ | |
77e2af03 | 98 | #define ARPHRD_NETLINK 824 /* Netlink header */ |
0abc652c | 99 | #define ARPHRD_6LOWPAN 825 /* IPv6 over LoWPAN */ |
531b3748 | 100 | #define ARPHRD_VSOCKMON 826 /* Vsock monitor header */ |
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101 | |
102 | #define ARPHRD_VOID 0xFFFF /* Void type, nothing is known */ | |
103 | #define ARPHRD_NONE 0xFFFE /* zero header length */ | |
104 | ||
105 | /* ARP protocol opcodes. */ | |
106 | #define ARPOP_REQUEST 1 /* ARP request */ | |
107 | #define ARPOP_REPLY 2 /* ARP reply */ | |
108 | #define ARPOP_RREQUEST 3 /* RARP request */ | |
109 | #define ARPOP_RREPLY 4 /* RARP reply */ | |
110 | #define ARPOP_InREQUEST 8 /* InARP request */ | |
111 | #define ARPOP_InREPLY 9 /* InARP reply */ | |
112 | #define ARPOP_NAK 10 /* (ATM)ARP NAK */ | |
113 | ||
114 | ||
115 | /* ARP ioctl request. */ | |
116 | struct arpreq { | |
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117 | struct sockaddr arp_pa; /* protocol address */ |
118 | struct sockaddr arp_ha; /* hardware address */ | |
119 | int arp_flags; /* flags */ | |
120 | struct sockaddr arp_netmask; /* netmask (only for proxy arps) */ | |
6a12709d | 121 | char arp_dev[IFNAMSIZ]; |
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122 | }; |
123 | ||
124 | struct arpreq_old { | |
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125 | struct sockaddr arp_pa; /* protocol address */ |
126 | struct sockaddr arp_ha; /* hardware address */ | |
127 | int arp_flags; /* flags */ | |
128 | struct sockaddr arp_netmask; /* netmask (only for proxy arps) */ | |
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129 | }; |
130 | ||
131 | /* ARP Flag values. */ | |
132 | #define ATF_COM 0x02 /* completed entry (ha valid) */ | |
133 | #define ATF_PERM 0x04 /* permanent entry */ | |
134 | #define ATF_PUBL 0x08 /* publish entry */ | |
135 | #define ATF_USETRAILERS 0x10 /* has requested trailers */ | |
136 | #define ATF_NETMASK 0x20 /* want to use a netmask (only | |
137 | for proxy entries) */ | |
138 | #define ATF_DONTPUB 0x40 /* don't answer this addresses */ | |
139 | ||
140 | /* | |
141 | * This structure defines an ethernet arp header. | |
142 | */ | |
143 | ||
144 | struct arphdr { | |
145 | __be16 ar_hrd; /* format of hardware address */ | |
146 | __be16 ar_pro; /* format of protocol address */ | |
147 | unsigned char ar_hln; /* length of hardware address */ | |
148 | unsigned char ar_pln; /* length of protocol address */ | |
149 | __be16 ar_op; /* ARP opcode (command) */ | |
150 | ||
151 | #if 0 | |
152 | /* | |
153 | * Ethernet looks like this : This bit is variable sized however... | |
154 | */ | |
155 | unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ | |
156 | unsigned char ar_sip[4]; /* sender IP address */ | |
157 | unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ | |
158 | unsigned char ar_tip[4]; /* target IP address */ | |
159 | #endif | |
160 | ||
161 | }; | |
162 | ||
163 | ||
164 | #endif /* _UAPI_LINUX_IF_ARP_H */ |